1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _NET_EVENT_H
3 #define _NET_EVENT_H
4
5 /*
6 * Generic netevent notifiers
7 *
8 * Authors:
9 * Tom Tucker <tom@opengridcomputing.com>
10 * Steve Wise <swise@opengridcomputing.com>
11 *
12 * Changes:
13 */
14
15 struct dst_entry;
16 struct neighbour;
17 struct notifier_block ;
18
19 struct netevent_redirect {
20 struct dst_entry *old;
21 struct dst_entry *new;
22 struct neighbour *neigh;
23 const void *daddr;
24 };
25
26 enum netevent_notif_type {
27 NETEVENT_NEIGH_UPDATE = 1, /* arg is struct neighbour ptr */
28 NETEVENT_REDIRECT, /* arg is struct netevent_redirect ptr */
29 NETEVENT_DELAY_PROBE_TIME_UPDATE, /* arg is struct neigh_parms ptr */
30 NETEVENT_IPV4_MPATH_HASH_UPDATE, /* arg is struct net ptr */
31 NETEVENT_IPV6_MPATH_HASH_UPDATE, /* arg is struct net ptr */
32 NETEVENT_IPV4_FWD_UPDATE_PRIORITY_UPDATE, /* arg is struct net ptr */
33 };
34
35 int register_netevent_notifier(struct notifier_block *nb);
36 int unregister_netevent_notifier(struct notifier_block *nb);
37 int call_netevent_notifiers(unsigned long val, void *v);
38
39 #endif
40
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